VercatusTechnical
How the page is served and built: status codes, canonicals, crawl budget, rendering, sitemaps and the limits an engine applies before it reads a word.
- 29 published entries
- A28 grade A
- C1 grade C
- earliest re-check due 2026-12
A grade describes where an entry's sources come from, not how likely a change is to work. How grades are used
- Aofficial documentation or a standardR-195
Amp host pages
Re-check due 2027-06 - Aofficial documentation or a standardR-165
Consistent canonical signals across the site
Re-check due 2027-06 - Aofficial documentation or a standardR-158
Crawl budget signals
Re-check due 2027-06 - Aofficial documentation or a standardR-168
Crawl rate server speed
Re-check due 2027-06 - Aofficial documentation or a standardR-169
CWV tiebreaker
Re-check due 2027-06 - Aofficial documentation or a standardR-193
Discover core update 2026
Re-check due 2027-03 - Aofficial documentation or a standardR-155
Discover eligibility
Re-check due 2027-06 - Aofficial documentation or a standardR-149
Faceted navigation
Re-check due 2027-06 - Aofficial documentation or a standardR-194
Google news automatic inclusion
Re-check due 2027-06 - Aofficial documentation or a standardR-167
HTML size limits
Re-check due 2027-03 - Aofficial documentation or a standardR-151
HTTPS and interstitials
Re-check due 2027-06 - Aofficial documentation or a standardR-154
Indexing API scope
Re-check due 2027-06 - Aofficial documentation or a standardR-172
IndexNow
Re-check due 2027-03 - Aofficial documentation or a standardR-175
Initial noindex directives and later rendering
Re-check due 2027-06 - Aofficial documentation or a standardR-163
JavaScript challenges can hide the intended page
Re-check due 2027-06 - Aofficial documentation or a standardR-150
Lazy loading and hidden content
Re-check due 2027-06 - Aofficial documentation or a standardR-170
Mobile first
Re-check due 2027-06 - Aofficial documentation or a standardR-148
Pagination and infinite scroll
Re-check due 2027-06 - Aofficial documentation or a standardR-166
Redirect chains
Re-check due 2027-06 - Aofficial documentation or a standardR-162
Rendering budget
Re-check due 2027-06 - Aofficial documentation or a standardR-157
robots meta directives
Re-check due 2027-06 - Aofficial documentation or a standardR-171
robots RFC
Re-check due 2027-06 - Aofficial documentation or a standardR-152
Site moves and redirect signals
Re-check due 2027-06 - Aofficial documentation or a standardR-164
Sitemaps containing current indexable canonical URLs
Re-check due 2027-06 - Aofficial documentation or a standardR-173
Snippet controls
Re-check due 2027-06 - Aofficial documentation or a standardR-147
Soft 404
Re-check due 2027-06 - Aofficial documentation or a standardR-174
Supported structured-data formats and their limits
Re-check due 2027-06 - Aofficial documentation or a standardR-156
Video and image indexing
Re-check due 2027-06 - Creputable industry data or observationR-161
Useful content in initial HTML for AI crawlers
Re-check due 2026-12
Other topics
- Access and crawlers18
- Agent readiness27
- Answer engines25
- Commercial12
- Content11
- Entities8
- Languages and regions7
- Measurement10
- Performance13
- Policies13
- Retrieval9
- Trust and provenance5
Every entry is searchable together in the full knowledge base. Vercatus plays cite entries by id. How the base is curated.